CN102844583B - Articulated composite spring leaf for the ground contact system of a motor vehicle, method of manufacture thereof and ground contact system created - Google Patents
Articulated composite spring leaf for the ground contact system of a motor vehicle, method of manufacture thereof and ground contact system created Download PDFInfo
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- CN102844583B CN102844583B CN201180011243.XA CN201180011243A CN102844583B CN 102844583 B CN102844583 B CN 102844583B CN 201180011243 A CN201180011243 A CN 201180011243A CN 102844583 B CN102844583 B CN 102844583B
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- spring sheet
- dividing plate
- described spring
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- pair
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/366—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers made of fibre-reinforced plastics, i.e. characterised by their special construction from such materials
- F16F1/368—Leaf springs
- F16F1/3683—Attachments or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/08—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially transverse to the longitudinal axis of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/114—Leaf spring transversally arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/121—Mounting of leaf springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a composite spring leaf for the ground contact system of a motor vehicle, which spring leaf is intended to be mounted on a front or rear wheel set of the vehicle, to a method of manufacturing this leaf and to such a ground contact system incorporating it. This leaf (1) has two faces, upper (2) and lower (3), defining two longitudinal edges (4 and 5) connected to one another by the two ends of the leaf and is provided with two pairs (8 and 9) of chassis (12 and 13) bearers (10 and 11) respectively near to these ends, the bearers of each pair being respectively positioned near the longitudinal edges and having elastic articulations (10b and 11b) to be connected to the chassis. According to the invention, the two bearers of each pair respectively comprise two inserts (10a and 11a) which are made of a fibre-reinforced thermoset or thermoplastic composite which is identical or similar to that of the leaf, these inserts being incorporated directly into the leaf passing continuously or discontinuously transversely through it from one of its longitudinal edges to the other between its two faces and extending beyond the longitudinal edges.
Description
Technical field
The present invention relates to the complex spring sheet be intended to be installed on wheels before vehicle or rear wheels for motor vehicle ground contact system, manufacture the method for this spring sheet and comprise the ground contact system of this spring sheet.
Background technique
In known way, ground contact system for motor vehicle can comprise Mai Fuxun (MacPherson) type system in its front wheels, and these front wheels take turns for each the triangular portion comprising bearing, anti-shake bar, spring and have elastic linking portion.There is heaviness, need many parts and assemble complexity and need the drawback of quite a lot of vertical direction spatial in this solution.
For these reasons, be devoted to these years to utilize the spring sheet of composite material the function (except vibration damper) of Mai Fuxun forward mounting to be combined, this makes micropolis vehicle can save about 10 to 14kg.This spring sheet should be provided with elastic linking portion to provide the connection between vehicle chassis, and provides the kinetic characteristic needed for motor vehicle manufacturers for forward mounting.These elastic linking portion (it is generally based on rubber) are arranged on the interface that bonds with the upper surface of spring sheet usually, this makes overall manufacturing process more complicated, and owing to first needing to design the large mold that comprises this spring sheet and adding cost.
A drawback with these complex spring sheets of the joint part being directly placed in or adhering on wheels is that the size of joint part, this joint part have vertical pivot and the rotating center be positioned in the neutral axis plane of spring sheet adjusts to make the motion that can be more prone to carry out this suspension.
Why Here it is has attempted using hardboard to be attached at around complex spring sheet (this exists needs the shortcoming of molded or shaping operation separately when manufacturing spring sheet) and has used between these hardboard and spring sheets interfacial type elastomer layer to prevent any wearing and tearing and by power uniform distribution.These interfacial type elastomer layers again may be unfavorable to the kinetic characteristic of forward mounting, and may cause arranging complicated shape to limit the degrees of freedom introduced.Such as can reference EP-B1-0 685 354, which depict this complex spring sheet with attachment hardboard.
Summary of the invention
An object of the present invention is to provide a kind of complex spring sheet for motor vehicle ground contact system, this spring sheet to be intended to be arranged on by two end before vehicle on wheels or rear wheels, to overcome above-mentioned all drawbacks, this spring sheet has two surfaces, i.e. upper surface and lower surface, both collectively defines two longitudinal edges be connected to each other by described end, and this spring sheet is provided with two pairs of bearing carriers for vehicle chassis near described end respectively, two bearing carriers of every a pair are located near described longitudinal edge respectively and comprise the elastic linking portion being intended to be connected to chassis.
In order to this object, in spring sheet according to the present invention, two bearing carriers of every a pair comprise two dividing plates that the thermoplasticity strengthened by fiber or same with thermosetting compound material are made respectively, the material of this material and spring sheet is same or similar, and these dividing plates come directly to be attached in spring sheet in the following manner: between described upper surface and lower surface, cross this spring sheet in continuous or discontinuous mode from described longitudinal edge to another; And extend beyond described longitudinal edge in the mode making these dividing plates can resist any torsion (especially for front wheels) of this spring sheet.
It is noted that these dividing plates not only can stop the torsion of spring sheet when running, but also with they receive, at least one in two joint parts relative to this spring sheet being cantilevered fashion coordinate, as described below.
According to another characteristic of the invention, every a pair dividing plate can in spring sheet, the position (such as longitudinal plane in the middle part of it) that limits spring sheet neutral axis is through this spring sheet.
It is to be noted that, these dividing plates that neutral axis place in spring sheet is attached in this spring sheet can easily for adjusting the height of the rotating center of joint part, in particular case when these joint parts are installed in cantilever fashion, this rotating center is such as arranged in the middle part longitudinal plane of spring sheet.In addition, neutral axis place dividing plate being positioned at spring sheet can make the flexural stress caused in these dividing plates minimize, and thus limits the size of dividing plate.
Advantageously, the dividing plate of each centering can be integrally formed with spring sheet, and does not have intermediate layer (such as sticker layer or elasitic layer).
It is to be noted that, the thermoplasticity that the material of use described above and spring sheet same or analogous (compatible with the material of spring sheet when another composite material) fiber is strengthened or same with thermosetting compound material make it possible to form spring sheet and baffle assembly in single technique, as described below.
According to another characteristic of the invention, by by between interleaving for the dividing plate of each centering upper and lower two half at spring sheet or sheet portion, these dividing plates and spring sheet directly can be bondd, wherein this upper and lower half or sheet portion are applied to the both sides of the interior section of these dividing plates through this spring sheet respectively.
According to a preferred embodiment of the invention, described interior section is continuous print in spring sheet, the dividing plate of each centering is welded to one another structure to form an integral in this interior section, these two dividing plates have exterior section relative to spring sheet separately, and this exterior section supports joint part and is not connected each other in spring sheet outside.
It is to be noted that, as modification, the dividing plate of each centering can be combined in spring sheet, but form discontinuous interior section across this spring sheet, this in spring sheet is laterally discontinuous can be produced by using two dividing plates separated not welding each other, that is, horizontal central space is defined along with being attached in spring sheet by these dividing plates.
Again preferably, the material for spring sheet and dividing plate is the thermoplastic compound (such as polyamide) using continuous or discrete fiber to strengthen.
Again preferably, the material for spring sheet and dividing plate can be the thermoset composite (such as epoxy resin) using continuous or discrete fiber to strengthen.
According to another feature of the present invention, the dividing plate of each centering has exterior section respectively relative to spring sheet, this exterior section supports joint part, and at least one in this exterior section can extend generally in the planar epitaxial space of described corresponding longitudinal edge, and preferably extend in the middle part longitudinal plane of spring sheet.
Preferably, the respective external sub-population of the dividing plate of each centering all can extend in the planar epitaxial space of described longitudinal edge, preferred to make the mode of being located in cantilever fashion about spring sheet by the joint part of each self-supporting of these dividing plates extend in the middle part longitudinal plane of spring sheet again.
As modification, the described exterior section of one of the dividing plate of each centering back can bend 180 ° by the upper surface towards spring sheet and pass through to stop with the planar section supporting corresponding joint part on described spring sheet, thus extends beyond described corresponding longitudinal edge.
Preferably, in a non-limiting manner, two joint parts supported respectively by every a pair dividing plate can be designed to receive vertical pivot, the horizontal axis in the longitudinal direction of spring sheet or the horizontal axis transversely at spring sheet independently with another separately.
Generally it is noted that joint part not only can along these three orientation trouble, can also so that other direction (especially in the horizontal plane) is directed arbitrarily, to help installation and the motion adjustment of discussed wheels.
According to another characteristic of the invention, the interior section of every a pair dividing plate in spring sheet is laterally delimited by two transverse edges about spring sheet, the thickness benefits ground of this interior section can increase from least one its transverse edge to the mid portion of this interior section, this mid portion is equidistant and have maximum ga(u)ge apart from described transverse edge, spring sheet has the region of accompanying with described interior section, and the thickness in this region measured between the upper surface and lower surface of spring sheet changes in the mode similar with the thickness of this interior section along with spring sheet profile.
In this case, from perpendicular to the longitudinal cross-section the plane of this spring sheet, this interior section can have shaping geometrical shape, at least one place in the transverse edge of this interior section, this shaping geometrical shape is essentially the point shape of pencil, and the thickness of the described part of this spring sheet can increase perpendicularly gradually with described transverse edge or each transverse edge.
It is noted that these dividing plates be incorporated in spring sheet can also be used for:
-when the thickness of the interior section of dividing plate increases from two transverse edge (symmetrically to another), local increases the thickness of this spring sheet, or
-from the shaping transverse edge of interior section, increasing the thickness of spring sheet, this increase continues and exceeds the transverse edge (in this case, additional thickness fiber is added into the planar side of interior section) of another non-forming.
It is to be noted that, there is in fact one or two point shape (namely, there is half almond shape or almond shape in fact respectively) this shaping geometrical shape no matter whether symmetrical, advantageously make it possible to keep the continuity of fiber and avoid any burst of this fiber alignment to change (this burst change can cause stress to be concentrated), and avoid any local accumulation of mechanical property not as good as the resin of composite material used, this gathers and may cause fault or layering fast.
Generally, it should be understood that complex spring sheet according to the present invention can have variable thickness and cross section with its operation of optimization.Particularly pump frequencies, the tightening up of anti-shake hardness and deflection.About the dividing plate be incorporated in spring sheet, it can be general planar or have more complicated shape and different-thickness, hardness to be given the exterior cantilevered arms part supporting joint part.
Ground contact system for motor vehicle according to the present invention is intended to be arranged on wheels or rear wheels before vehicle, and comprises the horizontal complex spring sheet be arranged on as defined above on these wheels.
The inventive method manufacturing complex spring sheet as defined above comprises:
-molded every a pair dividing plate, assembles upper and lower two parts of spring sheet subsequently respectively against horizontal inside middle part, this interior section is that the dividing plate of these pre-molded shares, or
-moulded springs sheet and these dividing plates simultaneously.
Preferably, these assemblings are by following formation:
-be compressed in the fiber of the pre-impregnation used in spring sheet and dividing plate, and the assembly of slaking or heating spring sheet and dividing plate, or pass through
-utilize the injection or utilization perfusion that preferably perform under vacuo, in a mold the fiber of the pre-continuously braiding used in spring sheet and these dividing plates is formed.
As modification, when the material for spring sheet and dividing plate is thermoplastic compound, heating and compression can be used to build this assembly.
According to another modification of the present invention, when the material for spring sheet and dividing plate is thermoset composite, the polymerization undertaken by slaking in a mold can be used to build this assembly.
Accompanying drawing explanation
By reading the following description of the some embodiments of the present invention that non-limited way provides with explanation, will understand further feature of the present invention, advantage and details, described description provides with reference to accompanying drawing, in the figure:
Fig. 1 is the sectional perspective sketch of complex spring sheet according to a first embodiment of the present invention, it illustrates the back shaft on the chassis be attached with the joint part of spring sheet bearing carrier;
Fig. 2 is that this spring sheet is along the cross section of the planar I I-II in Fig. 1 and local diagrammatic perspective view;
Fig. 3 is cross section on identical section of the modification of spring sheet according to Fig. 2 of this first embodiment and local detailed perspective view;
Fig. 4 is cross section and the local diagrammatic perspective view of complex spring sheet according to a second embodiment of the present invention, it illustrates other back shaft with the chassis attached by the joint part for spring sheet bearing carrier;
Fig. 5 is according to the second embodiment, and the modification of spring sheet shown in Fig. 4 is along the cross section of identical section and sectional perspective details sketch;
The sectional perspective sketch of Fig. 6 complex spring sheet according to a third embodiment of the present invention;
Fig. 7 be according to previous embodiment of the present invention comprise bearing carrier, along the sketch of the spring sheet section of the vertical longitudinal cross-section of the plane VII-VII in Fig. 6; And
Fig. 8 is the longitudinally vertical diagrammatic cross-sectional view with another section of the present invention of the spring sheet of bearing carrier according to aforementioned exemplary.
Embodiment
Be made up of thermoplasticity or same with thermosetting compound material for the spring sheet 1 of wheels before motor vehicle or rear wheels shown in Fig. 1 and Fig. 2, this spring sheet has two surfaces, i.e. upper surface 2 and lower surface 3, the two is connected to each other by two longitudinal edges 4 and 5 and two ends 6 and 7 being intended to the spring sheet be attached with wheel supporting portion, and this spring sheet 1 is provided with near its each end 6 and 7 for the vehicle body of vehicle or two couples (the 8 and 9) bearing carrier (10 and 11) on chassis 12 and 13 (because the shape alterable of these body portions 12 and 13 is very large, therefore only to schematically show).
Two bearing carriers 10 and 11 of every a pair (8 or 9) comprising: two dividing plate 10a and 11a established near longitudinal edge 4 and 5 respectively (namely, the front dividing plate of vehicle and rear bulkhead), and two elastic linking portion 10b and 11b, these two elastic linking portion 10b, 11b are attached with this dividing plate 10a, 11a and receive axle 10c and 11c (it is vertically in this first embodiment) be connected with 13 with this body portion 12.As visible in the cross-sectional part in Fig. 2, two dividing plate 10a and 11a of every a pair (8 or 9) are attached in spring sheet 1 by horizontal interior section 14, this horizontal interior section 14 to be shared and two half 1a and 1b (namely going up half and lower half) are arranged against this horizontal interior section 14 respectively by dividing plate 10a and 11a, it extends beyond the edge 4 and 5 of spring sheet with two horizontal exterior sections 15 and 16, these two horizontal exterior sections 15 and 16 are as interior section 14, indulge plane (that is, along neutral axis) with the middle part of spring sheet 1 to extend.
See in this first embodiment, two dividing plate 10a and 11a are welded to one another in the center of interior section 14, or be integrally formed formula hard structure, all closely link with two integrant dividing plate 10a and 11a of half 1a and 1b by manufacture method and this two half 1a and 1b of this spring lamination 1 or weld in both of these case, as described below.
Preferably be made up of the composite material identical with spring sheet 1 to 501 according to the dividing plate 10a to 410a of Fig. 1 to Fig. 8 and 11a to 511a, it is such as the thermoplasticity pre-preg material (being preferably the polyamide strengthened through glass fibre or carbon fiber) strengthened through long fibre, and through the moulded thermoplastics that short fibre is strengthened, or the heat-curable compounds (being preferably the epoxy resin strengthened through glass fibre) on long fibre is filled with or is infused in leaching.When using long reinforcing fibre, these fibers are preferably directed to (principal direction) (that is, with the horizontal direction of spring sheet 1 to 501, see Fig. 7 and Fig. 8) with the paper of dividing plate 10a to 410a, 11a to 511a.
For joint part 10b and 11b to 510b and 511b (can see on Fig. 1 to Fig. 8), its be preferably formed into make with rubber make resilient member 17, inner reinforcing elements 18 metal makes and outside reinforcement 19 is made of plastic, these plastics can through strengthen or without reinforcement.In example in Fig. 1 to Fig. 3, this outside reinforcement 19 slides (if there is such joint cover) on the joint cover of respective diaphragms 10a, 11a or 110a, 111a, or can be bonded in the opening of dividing plate 10a, 11a or 110a, 111a, and be attached with dividing plate by nut or threaded insert.In a rear situation, the outside reinforcement 19 of joint part is structurized.
Complex spring sheet 101 according to the modification in Fig. 3 is only with the difference of the complex spring sheet in Fig. 2: two side direction dividing plate 110a and 111a (it carries joint part 110b and 111b with axle 110c and 111c) of each centering separate horizontal space 120 at their interior section with spring sheet 114, thus do not weld together in two half 101a and 101b.
Complex spring sheet 201 shown in Figure 4 illustrates the interior section 214 shared by two dividing plate 210a and 211a, and be only with the difference of the sheet of complex spring shown in Fig. 2: every a pair 208 or 209 in two dividing plates (being front dividing plate or the rear bulkhead of discussed wheels) in a 210a there is joint part 210b, this joint part 210b has and non-vertical but relative to the axle 210c of spring sheet 201 (that is, having the longitudinal axis relative to vehicle) transverse horizontal.Appreciable, in this embodiment of such joint part 210b with horizontal axis 210c, this horizontal axis 210c is pivotally inserted in the slot formed with dividing plate 210a integral type.About the joint part 211b of other dividing plate 211a, it receives pivotal axis 211c in this embodiment.
According to Fig. 5, the complex spring sheet 301 of modification is only with the difference of the sheet of complex spring shown in Fig. 4: two side direction dividing plate 310a and 311a (it carries joint part 310b and 311b with axle 310c and 311c) of every a pair separate horizontal space 320 on their interior section in spring sheet 314, and these two rear bulkhead 310a and 311a do not weld together in two half 301a and 301b.
Formed with example shown in Fig. 1 to Fig. 5 (it illustrates relative to the remainder of spring sheet 1 to 301 dividing plate of the carrying joint part 10b to 310b and 11b to 311b being cantilever) and contrast, embodiment in Fig. 6 illustrates: for every a pair, and the end face 402 of one of dividing plate 411a (front dividing plate or rear bulkhead) from the longitudinal edge 405 corresponding with it towards spring sheet 401 bends 180 °.This dividing plate 411a ends at flat 416, this flat 416 is contacting with this end face of spring sheet 402 near near this edge 405, and this flat 416 carries the joint part 411b relative to spring sheet 401 with vertical equity axle 411c (i.e. the transverse direction of vehicle) in this illustration.For another dividing plate 410a of each centering, it is similar to the dividing plate in Fig. 1 to Fig. 5 in this illustration, namely, indulge in plane the exterior section limiting and extend along corresponding edge 404 at the middle part of spring sheet 401, but following except: the joint part 410b of this another dividing plate 410a is designed to be similar to joint part 411b for holding the horizontal axis 410c longitudinal relative to spring sheet 401 one-tenth.
It is to be noted that, joint part 10b to 410b shown in Fig. 1 to Fig. 6 and joint part 11b to 411b and their axle 10c to 410c of receiving and axle 11c to 411c is only the present invention some embodiments wherein, and these joint parts can be any desired configuration, to help assembling and the motion adjustment of discussed wheels.
According to dividing plate 411a and 511a of the spring sheet 401 and 501 of Fig. 7 and Fig. 8, following possibility is roughly shown: for the interior section 414 and 514 shared by these dividing plates, the longitudinal profile of pencil (there is loudspeaker form point at the single transverse edge 414a place of this part 414) form can be used, to increase the thickness of spring sheet 401 gradually (namely from this edge 414a, between the upper surface 402 and lower surface 403 of spring sheet 401, see Fig. 7); Or there are two loudspeaker form points, it is mutually symmetrical, be in two edge 514a and 514b of this part 514, to form the local additional thickness (see the flat almond shape of Fig. 8 central diaphragm 511a, which form the ridge between the upper surface 502 of spring sheet 501 and lower surface 503) increased progressively of opposite spring sheet 501.
For all above-described embodiments, the dividing plate 10a to 410a, the 11a to 511a that manufacture spring sheet 1 to 501 and wherein combine can be carried out as follows.If desired, can:
-pre-molded is carried out to dividing plate, assemble two half 1a, 101a, 301a and 1b, 101b to 301b against interior section 14 to 514 subsequently, this interior section 14 to 514 mediates in the horizontal and is shared by the dividing plate of these pre-molded, or
-simultaneously moulded springs sheet and these dividing plates, this is molded based on such as:
* the fiber for the pre-impregnation in spring sheet and dividing plate is compressed, and slaking or heating are carried out to entirety, or pass through
* RTM (resin transfer moulding) or VARTM (vacuum assisted resin transfer molding) type process is used to inject under vacuo, or pour into, be shaped with the long fibre of the pre-braiding to the drying used in the spring sheet in mould and dividing plate.
If thermoplastic compound to be used for spring sheet and dividing plate 10a to 410a, 11a to 511a, then can use heating and compression realize assembling, and if employ thermoset composite, then can perform polymerization by slaking in a mold.
Claims (17)
1. the complex spring sheet (1 to 501) for the ground contact system of motor vehicle, described spring sheet is for being arranged on the front wheels of described vehicle or rear wheels by two end (6 and 7), described spring sheet has two surfaces, i.e. upper surface (2, 402) and lower surface (3, 403), collectively define two longitudinal edges (4 and 5) be connected to each other by described two ends, and described spring sheet is provided with two couple (8 and 9 for vehicle chassis (12 and 13) near described two ends respectively, 208 and 209) bearing carrier (10 and 11), described two bearing carriers of each centering are located and the elastic linking portion (10b to 410b comprised for being connected to described chassis near described longitudinal edge respectively, 11b to 411b), it is characterized in that, described two bearing carriers of every a pair comprise two the dividing plate (10a to 410a be made up of thermoplasticity that strengthening through fiber or same with thermosetting compound material separately, 11a to 511a), described material is identical with the material of described spring sheet, these dividing plates are directly attached in described spring sheet in the following manner: between described upper surface and lower surface with continuous or discontinuous mode from described longitudinal edge to another crosscut through described spring sheet, and extend beyond described longitudinal edge.
2. spring sheet (1 to 501) according to claim 1, be characterised in that, the described dividing plate (10a to 410a, 11a to 511a) in every a pair (8 and 9,208 and 209) limits the position of the middle part longitudinal plane as spring sheet of neutral axis through described spring sheet in described spring sheet.
3. spring sheet (1 to 501) according to claim 1 and 2, be characterised in that, the described dividing plate (10a to 410a, 11a to 511a) in every a pair (8 and 9,208 and 209) is integrally formed with described spring sheet when not having intermediate layer.
4. spring sheet (1 to 501) according to claim 3, be characterised in that, described dividing plate (10a to 410a, 11a to 511a) in every a pair (8 and 9,208 and 209) by inserting these dividing plates and directly boning with spring sheet between the upper half (1a, 101a, 301a) and lower half (1b, 101b, 301b) of spring sheet, and described upper half and lower half put on the both sides of the interior section (14 to 514) through these dividing plates of this spring sheet respectively.
5. spring sheet (1 according to claim 4, 201, 401, 501), be characterised in that, described interior section (14, 214, 414, 514) be continuous print in described spring sheet, every a pair (8 and 9, 208 and 209) the described dividing plate (10a in, 210a, 410a and 11a, 211a, 411a, 511a) in this interior section, be welded to one another structure to form an integral, described two dividing plates have exterior section (15 and 16) relative to described spring sheet respectively, and described exterior section supports described joint part (10b, 210b, 410b and 11b, 211b, 411b) and be not connected each other at the outside described exterior section of described spring sheet.
6. spring sheet (1 to 501) according to claim 1, is characterised in that, the described material for described spring sheet and described dividing plate (10a to 410a, 11a to 511a) is thermoplastic compound or thermoset composite.
7. spring sheet (1 to 501) according to claim 1, be characterised in that, described dividing plate (10a to 410a, 11a to 511a) in every a pair (8 and 9,208 and 209) has exterior section (15 and 16) relative to described spring sheet respectively, described exterior section supports described joint part (10b to 410b, 11b to 411b), and at least one in described exterior section extends generally in the planar epitaxial space of corresponding longitudinal edge (4,404 and 5,405), and extends in the middle part longitudinal plane of described spring sheet.
8. spring sheet (1 to 301) according to claim 7, be characterised in that, the described respective external part of the described dividing plate (10a to 310a, 11a to 311a) in every a pair (8 and 9,208 and 209) extends all generally in the planar epitaxial space of described longitudinal edge (4 and 5), and extend along the middle part longitudinal plane of described spring sheet, to make to be located in cantilever fashion relative to described spring sheet by the described joint part (10b to 310b, 11b to 311b) of each self-supporting of described dividing plate.
9. spring sheet according to claim 7 (401), be characterised in that, the described exterior section of one of the described dividing plate (411a) of each centering by bending 180 ° towards the described upper surface (402) of described spring sheet and passing through to stop with the planar section (416) supporting corresponding joint part (411b) on described spring sheet, and extends beyond described corresponding longitudinal edge (405).
10. spring sheet (401 according to claim 1, 501), be characterised in that, described dividing plate (the 410a of each centering, 411a, interior section (414 511a) in spring sheet, 514) about described spring sheet by two transverse edge (414a, 514a, 514b) laterally delimit, the thickness of this interior section increases from least one its transverse edge to the mid portion of described interior section, this mid portion is equal and have maximum ga(u)ge apart from the distance of described transverse edge, described spring sheet has the region of accompanying with described interior section, at the upper surface (402 of described spring sheet, 502) and lower surface (403, 503) thickness in this region measured between changes in the mode similar with described interior section along with the section of described spring sheet.
11. spring sheets according to claim 10 (401,501), be characterised in that, longitudinal cross-section from the plane perpendicular to described spring sheet, described interior section (414,514) has shaping geometrical shape, at least one place in described two transverse edges (414a, 514a, 514b), described shaping geometrical shape is essentially the point shape of pencil, and the thickness in the described region of described spring sheet and described transverse edge or each transverse edge increase perpendicularly gradually.
12. spring sheets (1 to 501) according to claim 1, be characterised in that, described two joint parts (10b to 410b, 11b to 411b) supported respectively by the described dividing plate (10a to 410a, 11a to 511a) in every a pair (8 and 9,208 and 209) are designed to receive vertical pivot (10c, 11c, 110c, 111c, 211c, 311c), the horizontal axis (410c, 411c) in the longitudinal direction of described spring sheet or the horizontal axis (210c, 310c) transversely at described spring sheet independently of one another separately.
13. 1 kinds of ground contact system for motor vehicle, on the front wheels that described system is intended to be arranged on vehicle or rear wheels, and comprise the horizontal complex spring sheet (1 to 501) be arranged on described front wheels or rear wheels, it is characterized in that, described spring sheet as according to any one in aforementioned claim define.
14. 1 kinds, for the manufacture of the method according to the claimed complex spring sheet (1 to 501) of any one in claim 1 to 12, are characterised in that:
Described dividing plate (10a to 410a, 11a to 511a) in-molded every a pair (8 and 9,208 and 209), namely two half of assembling described spring sheet against horizontal inside middle part (14 to 514) subsequently go up half (1a, 101a, 103a) and lower half (1b, 101b, 103b), described interior section is that the dividing plate of these pre-molded shares, or
-molded described spring sheet and these dividing plates simultaneously.
15. methods according to claim 14, are characterised in that, described assembling is by following realization:
-be compressed in the fiber of the pre-impregnation used in described spring sheet (1 to 501) and these dividing plates (10a to 410a, 11a to 511a), and slaking or heat described spring sheet and baffle assembly, or pass through
-utilize the injection or utilization perfusion that perform under vacuo, in a mold the dried fibres for the pre-continuously braiding in spring sheet and these dividing plates is formed.
16. methods according to claim 14, be characterised in that, material for described spring sheet (1 to 501) and described dividing plate (10a to 410a, 11a to 511a) is thermoplastic compound, and uses heating and compression to carry out described assembling.
17. methods according to claim 14, be characterised in that, material for described spring sheet (1 to 501) and these dividing plates (10a to 410a, 11a to 511a) is thermoset composite, and utilizes the polymerization undertaken by slaking in a mold to carry out described assembling.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1000751A FR2956713B1 (en) | 2010-02-24 | 2010-02-24 | ARTICULATED COMPOSITE SPRING BLADE FOR MOTOR VEHICLE FLOOR CONNECTION, METHOD FOR MANUFACTURING SAME, AND GROUND CONNECTION |
| FR10/00751 | 2010-02-24 | ||
| PCT/IB2011/050746 WO2011104672A1 (en) | 2010-02-24 | 2011-02-23 | Articulated composite spring leaf for the ground contact system of a motor vehicle, method of manufacture thereof and ground contact system created |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102844583A CN102844583A (en) | 2012-12-26 |
| CN102844583B true CN102844583B (en) | 2015-01-07 |
Family
ID=42751888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180011243.XA Active CN102844583B (en) | 2010-02-24 | 2011-02-23 | Articulated composite spring leaf for the ground contact system of a motor vehicle, method of manufacture thereof and ground contact system created |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2539601B1 (en) |
| JP (1) | JP5748785B2 (en) |
| CN (1) | CN102844583B (en) |
| FR (1) | FR2956713B1 (en) |
| WO (1) | WO2011104672A1 (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2119062B (en) * | 1982-04-23 | 1985-12-04 | Rubery Owen Holdings Ltd | End-connections for frp leaf springs |
| FR2601905B1 (en) * | 1986-07-25 | 1990-03-02 | Renault | ELASTIC BLADE SUSPENSION FOR MOTOR VEHICLE. |
| US4768807A (en) * | 1987-06-25 | 1988-09-06 | General Motors Corporation | Wheel suspension |
| JPH0739242B2 (en) * | 1989-01-27 | 1995-05-01 | 本田技研工業株式会社 | Suspension device |
| CA2012324A1 (en) * | 1989-06-12 | 1990-12-12 | Adrian S. Tucker-Peake | Wheel suspension |
| JP2612642B2 (en) * | 1991-01-17 | 1997-05-21 | 本田技研工業株式会社 | Horizontally mounted leaf spring suspension system |
| FR2720337B1 (en) * | 1994-05-30 | 1996-07-05 | Renault | Suspension with transverse leaf spring for motor vehicle. |
| CN2319241Y (en) * | 1997-12-15 | 1999-05-19 | 山东潍坊拖拉机厂 | Independent suspension rack front axle of tractor |
| CN100448705C (en) * | 2006-06-26 | 2009-01-07 | 托马斯·尼维特 | Device for stabilizing car chassis through assistant spring steel plate and its regulation method |
| SE530099C2 (en) * | 2006-07-05 | 2008-03-04 | Volvo Lastvagnar Ab | Level control for vehicle suspension |
| DE102007006589A1 (en) * | 2007-02-09 | 2008-08-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle with a vehicle body and with a chassis |
| CN201280039Y (en) * | 2008-09-17 | 2009-07-29 | 江苏宗申三轮摩托车制造有限公司 | Rear suspension of electric tricycle underpan |
-
2010
- 2010-02-24 FR FR1000751A patent/FR2956713B1/en not_active Expired - Fee Related
-
2011
- 2011-02-23 EP EP11709191.8A patent/EP2539601B1/en active Active
- 2011-02-23 WO PCT/IB2011/050746 patent/WO2011104672A1/en active Application Filing
- 2011-02-23 JP JP2012554460A patent/JP5748785B2/en not_active Expired - Fee Related
- 2011-02-23 CN CN201180011243.XA patent/CN102844583B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2539601A1 (en) | 2013-01-02 |
| FR2956713A1 (en) | 2011-08-26 |
| CN102844583A (en) | 2012-12-26 |
| JP5748785B2 (en) | 2015-07-15 |
| WO2011104672A1 (en) | 2011-09-01 |
| FR2956713B1 (en) | 2012-03-23 |
| JP2013520361A (en) | 2013-06-06 |
| EP2539601B1 (en) | 2014-05-21 |
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